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Acumen Pharmaceuticals

70 hedge funds and large institutions have $43.6M invested in Acumen Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 15 increasing their positions, 22 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
70
Holders Change
-10
Holders Change %
-12.5%
% of All Funds
0.94%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
17
Increased
15
Reduced
22
Closed
27
Calls
$46K
Puts
$2K
Net Calls
+$44K
Net Calls Change
+$66K
Name Holding Trade Value Shares
Change
Shares
Change %
RCM
1
RA Capital Management
Massachusetts
$17.3M
SCV
2
Sands Capital Ventures
Virginia
$3.96M
Franklin Resources
3
Franklin Resources
California
$3.57M -$75.3K -64,900 -2%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$2.35M +$4.77K +4,113 +0.2%
Millennium Management
5
Millennium Management
New York
$2.26M +$945K +814,898 +72%
Vanguard Group
6
Vanguard Group
Pennsylvania
$1.96M -$287K -247,640 -13%
KIA
7
Knollwood Investment Advisory
Maryland
$1.89M
Pathstone Holdings
8
Pathstone Holdings
New Jersey
$1.23M -$32.5K -28,000 -3%
Alyeska Investment Group
9
Alyeska Investment Group
Illinois
$1.09M
ACM
10
ADAR1 Capital Management
Texas
$1.06M +$893K +770,000 +527%
LCM
11
Laurion Capital Management
New York
$1.01M
Hudson Bay Capital Management
12
Hudson Bay Capital Management
Connecticut
$957K +$63.8K +55,004 +7%
Two Sigma Advisers
13
Two Sigma Advisers
New York
$495K -$43.4K -37,400 -8%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$460K -$540K -465,273 -54%
Goldman Sachs
15
Goldman Sachs
New York
$388K +$161K +138,476 +71%
BlackRock
16
BlackRock
New York
$339K -$2.37M -2,039,092 -87%
IC
17
Ikarian Capital
Texas
$308K
YIH
18
Y-Intercept (HK)
Hong Kong
$291K +$291K +250,848 New
Renaissance Technologies
19
Renaissance Technologies
New York
$286K -$11.7K -10,112 -4%
Two Sigma Investments
20
Two Sigma Investments
New York
$233K -$36.5K -31,508 -14%
Jane Street
21
Jane Street
New York
$204K +$191K +164,866 +1,526%
Morgan Stanley
22
Morgan Stanley
New York
$178K +$1.29K +1,112 +0.7%
Susquehanna International Group
23
Susquehanna International Group
Pennsylvania
$177K +$48K +41,362 +37%
Bank of America
24
Bank of America
North Carolina
$171K -$13.8K -11,925 -8%
Marshall Wace
25
Marshall Wace
United Kingdom
$160K +$160K +137,943 New